package chapter03;

class stde{
    private String name;
    private int age;

    public String getName() {
        return name;
    }
    public  void setName(String name){
        this.name=name;
    }
    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        if (age<=0){
            System.out.println("您输入的年龄有误");
        }else {
            this.age=age;
        }
    }
    public void read(){
        System.out.println("大家好,我是"+name+"年龄"+age);
    }

}
public class Example04 {
    public static void main(String[] args) {
        stde stu= new stde();
        stu.setName("张三");
        stu.setAge( -18);
        stu.read();
    }
}
